Home / 10,056.56-15,079.77-3,480.98

Finding the Fourth Proportional to 10,056.56, 15,079.77 and 3,480.98

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Solution

The fourth proportional to 10,056.56, 15,079.77 and 3,480.98 is: 5,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.56 : 15,079.77 = 3,480.98 : x
  2. Step 2: Convert to fraction form
    10,056.56/15,079.77 = 3,480.98/x
  3. Step 3: Cross multiply
    10,056.56x = 15,079.77 × 3,480.98
  4. Step 4: Simplify right side
    10,056.56x = 52,492,302.38
  5. Step 5: Solve for x
    x = 52,492,302.38/10,056.56
  6. Step 6: Final answer
    x = 5,219.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.